| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Um-gol | city | Seoul | Korea, Republic of (South) | 37.48 | 126.83 | 91 | 1287537 |
| Umdal-li | city | Seoul | Korea, Republic of (South) | 37.57 | 126.93 | 137 | 1402366 |
| Umyeon-dong | city | Seoul | Korea, Republic of (South) | 37.47 | 127.01 | 275 | 1043829 |
| Umyeondong | city | Seoul | Korea, Republic of (South) | 37.47 | 127.01 | 275 | 1043829 |
| Uwap'i | city | Seoul | Korea, Republic of (South) | 37.48 | 126.92 | 137 | 1583682 |
| Uwap’i | city | Seoul | Korea, Republic of (South) | 37.48 | 126.92 | 137 | 1583682 |